Inertial confinement fusion

Inertial Confinement Fusion (ICF) is a method of achieving nuclear fusion by heating and compressing a fuel target, typically in the form of a pellet that contains a mixture of deuterium and tritium.

Overview

Inertial Confinement Fusion involves the use of high-energy beams, such as laser beams or particle beams, to rapidly heat the surface of a small, spherical target, causing the outer layer of the target to explode outward. This explosion creates a reaction force against the remainder of the target, driving it inward and compressing the fuel to very high densities and temperatures, conditions under which fusion can occur.

History

The concept of Inertial Confinement Fusion was first proposed in the late 1950s and early 1960s by scientists at Lawrence Livermore National Laboratory in the United States. Since then, significant progress has been made in the development of ICF technology, with major research facilities established in several countries around the world.

Method

The key to ICF is to drive a rapid, symmetrical implosion of the fuel capsule. This is typically achieved by illuminating the target from all sides with high-energy beams. The beams must be carefully timed and shaped to ensure a uniform implosion.

Challenges

Despite significant progress, several challenges remain in the development of ICF as a practical energy source. These include achieving the necessary precision in target fabrication and illumination, and dealing with issues related to the propagation and absorption of the energy beams.

Future

While there are still many technical challenges to overcome, the potential benefits of ICF, including its potential to provide a virtually limitless source of clean energy, make it an active area of research.

See also

• Nuclear fusion
• Fusion power
• Magnetic confinement fusion
• Lawrence Livermore National Laboratory

References

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  Fusion microcapsule
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  U.S. Department of Energy - Science - 115 033 004
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  U.S. Department of Energy - Science - 115 042 004
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  Shiva laser target chamber
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  LIFE fusion chamber
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  NIF target chamber 2
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  Orion target chamber
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  U.S. Department of Energy - Science - 282 002 003
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  Inertial confinement fusion
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  NIF output over 11 years without legend